H) How many moles of Br are there if the sample contained 5.6 x 1024 atoms of Br? |

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

Air can be considered a mixture. which statement does not explain why?